The Washington Park Arboretum Bulletin, a quarterly horticultural journal, is a benefit of Arboretum Foundation membership and includes in-depth articles on Arboretum collections and history, as well as information of interest to gardeners and horticulturists in the Pacific Northwest and beyond. Pick up a copy of the Bulletin, available in the Graham Visitors Center lobby, at $5 per copy.
FROM THE SPRING 2103 ISSUE:
Shear Madness: A Campaign to End the Inappropriate Pruning of Shrubs
By Cass Turnball
(PDF 0.2 MB)
Summer Pruning Light
Illustrations and Text by Christina Pfeiffer
(PDF 0.6 MB)
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The spring 2013 issue of the Bulletin was made possible by:
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